Questions And Correct Answers (Verified
Answers) Plus Rationale 2026/2027 Q&A|
Instant Download Pdf
Question 1. Which molecule is the energy currency of the cell?
A) Glucose
B) Creatine phosphate
C) Adenosine triphosphate (ATP)
D) Glycogen
Answer: C
Rationale: ATP is the primary energy currency of the cell, storing and transferring energy for
cellular processes .
Question 2. Which digestive organ has both endocrine and exocrine functions?
A) Liver
B) Gallbladder
C) Pancreas
D) Stomach
Answer: C
Rationale: The pancreas has both endocrine functions (releasing hormones like insulin into the
blood) and exocrine functions (releasing digestive enzymes through ducts) .
Question 3. Which branch of the nervous system is responsible for "fight-or-flight"?
A) Parasympathetic nervous system
B) Somatic nervous system
C) Sympathetic nervous system
D) Enteric nervous system
,Answer: C
Rationale: The sympathetic nervous system activates the "fight-or-flight" response during
stress .
Question 4. Which type of bone protects internal organs and provides a large surface area for
muscles to attach?
A) Long bone
B) Short bone
C) Flat bone
D) Irregular bone
Answer: C
Rationale: Flat bones protect internal organs (e.g., skull, ribs) and provide surface area for
muscle attachment .
Question 5. Which of the following is included in the axial skeleton?
A) Skull
B) Humerus
C) Femur
D) Scapula
Answer: A
Rationale: The axial skeleton includes the skull, vertebral column, ribs, and sternum .
Question 6. According to the size principle of motor recruitment, in what order will muscle
fibers be recruited?
A) Largest and fastest to smallest and slowest
B) Smallest and slowest firing rate to largest and fastest firing rate
C) All fibers are recruited simultaneously
D) Only fast-twitch fibers are recruited
Answer: B
Rationale: The size principle states that motor units are recruited from smallest to largest based
on the force required .
Question 7. Which type of muscle is the most common in the human body?
,A) Smooth muscle
B) Cardiac muscle
C) Skeletal muscle
D) Visceral muscle
Answer: C
Rationale: Skeletal muscle is the most common type of muscle in the human body, responsible
for voluntary movement .
Question 8. Which division of the peripheral nervous system controls voluntary movement like
exercise?
A) Sympathetic nervous system
B) Parasympathetic nervous system
C) Somatic nervous system
D) Autonomic nervous system
Answer: C
Rationale: The somatic nervous system controls voluntary movement .
Question 9. What is the central nervous system (CNS) responsible for?
A) Only controlling reflexes
B) Receiving sensory input and organizing, analyzing, and processing neural information
C) Only motor output
D) Only regulating heart rate
Answer: B
Rationale: The CNS (brain and spinal cord) receives, organizes, analyzes, and processes neural
information .
Question 10. What is the term for blood circulation within the heart and lungs?
A) Systemic circulation
B) Pulmonary circulation
C) Coronary circulation
D) Hepatic portal circulation
, Answer: B
Rationale: Pulmonary circulation is the loop of blood flow that carries deoxygenated blood from
the heart to the lungs and returns oxygenated blood back to the heart .
Question 11. Which heart structure is known as the pacemaker of the heart and initiates
contraction of the right atrium?
A) Atrioventricular (AV) node
B) Sinoatrial (SA) node
C) Bundle of His
D) Purkinje fibers
Answer: B
Rationale: The sinoatrial (SA) node is the heart's natural pacemaker, initiating the electrical
impulse that causes the right atrium to contract .
Question 12. In which anatomical plane does the internal and external rotation of the shoulder
occur?
A) Sagittal plane
B) Frontal plane
C) Transverse plane
D) Oblique plane
Answer: C
Rationale: Rotational movements occur in the transverse plane .
Question 13. According to the American Heart Association, what is considered a 'normal' blood
pressure?
A) 100/60 mm Hg
B) 120/80 mm Hg
C) 140/90 mm Hg
D) 160/100 mm Hg
Answer: B
Rationale: Normal blood pressure is defined as 120/80 mm Hg .
Question 14. Which energy pathway produces the greatest amount of ATP?